905U-G Wireless Gateway
User Manual
Page 117
©September 2004
also enabled, the “Disable I/O Instance” option must be selected for each fieldbus mapping
to which Modbus/TCP Addressing is to apply.
IN Area Modbus TCP Addresses (905G Write Locations 0 – 1023*)
Modbus Bit Address
IN
Area
Location
Modbus
Word
Address
Bit 15
Bit 14
Bit 13
---
Bit 2
Bit 1
Bit 0
0
1
1
2
3
---
14
15
16
1
2
17
18
19
---
30
31
32
---
---
---
---
---
---
---
---
---
1022
1023
16353
16354
16355
---
16382
16383
16384
1023
1024
16369
16370
16371
---
16382
16383
16384
OUT Area Modbus TCP Addresses (Fieldbus READ Locations 0 – 1023*)
Modbus Bit Address
OUT
Area
Location
Modbus
Word
Address
Bit 15
Bit 14
Bit 13
---
Bit 2
Bit 1
Bit 0
0
1025
16385
16386
16387
---
16398
16399
16400
1
1026
16401
16402
16403
---
16414
16415
16416
---
---
---
---
---
---
---
---
---
1022
2047
32737
32738
32739
---
32750
32751
32752
1023
2048
32753
32754
32755
---
32766
32767
32768
* Assumes Word Mode Addressing is selected in Configuration Software